.user_tags {
  display: inline-block;
  border: 1px solid #999;
  color: #999;
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
  line-height: 16px;
}
.user_tags i {
  display: none;
  color: #999;
  animation: rotation 1s linear infinite;
  transform-origin: center center;
}
.user_tags.loading i {
  display: inline-block;
  height: 14px;
  width: 14px;
  line-height: 14px;
  text-align: center;
  font-size: 12px;
  vertical-align: top;
}
.user_tags.active {
  background: #999;
  color: #fff;
}
.user_tags.active i {
  color: #fff;
}
@keyframes rotation {
  from {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  to {
    transform: rotate(360deg);
  }
}
